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Ore Taillings Gold Cyanidation Redox New

Jul 01, 2017  Pre-oxidation with H 2 O 2 prior to cyanidation increased DO from 1 up to 7.2 ppm.. H 2 O 2 was injected at a rate of 0.24 kg 100% H 2 O 2 /t of dry ore prior to cyanidation.. NaCN consumption was reduced from 0.52 to 0.40 kg/t. • Au recovery was increased from average 91.3 to 92.5%.

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